Abstract：
BACKGROUND:Medical devices inserted into the human body can be divided into single-use devices and reusable medical devices (RMDs) depending on the method of use. RMDs are applied to >1 patient, and users reprocess them prior to repeat use. Therefore, reprocessing of RMDs has become more difficult, and issues related to infection risk have become more prevalent. METHODS:Research was performed to compare differences in surface alterations between not-aged (NA) samples and accelerated-aging (AA) samples. NA and AA samples were exposed to potential contaminants and treated with the same cleaning conditions. Then the residual contaminants were analyzed, and adhesion characteristics were investigated. RESULTS:Significant differences between the 2 sample groups were observed in the pattern of physical surface alterations. Similar to the endoscope for clinical use, a deep crack was found in the surface of the AA sample. According to the binding affinity test, highly likely potential contaminants were found more frequently on AA samples. CONCLUSION:The results suggest the necessity of limiting the duration of time that RMDs may be used, considering the potential risk of infection from repetitive use of RMDs, and also raised the possibility of applying this simulation model of AA. This methodology can be applied to various RMDs, including endoscopes.
journal_name
Am J Infect Controljournal_title
American journal of infection controlauthors
Lee DH,Kim DB,Kim HY,Baek HS,Kwon SY,Lee MH,Park JCdoi
10.1016/j.ajic.2015.01.017subject
Has Abstractpub_date
2015-05-01 00:00:00pages
e13-7issue
5eissn
0196-6553issn
1527-3296pii
S0196-6553(15)00035-8journal_volume
43pub_type
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